Range-v3
Range algorithms, views, and actions for the Standard Library
ranges::v3::view::group_by_fn Struct Reference

Synopsis of methods

constexpr view< group_by_fngroup_by {}
 

Public Types

template<typename Rng , typename Fun >
using Concept = meta::and_< ForwardRange< Rng >, IndirectRelation< Fun, iterator_t< Rng > >>
 

Public Member Functions

template<typename Rng , typename Fun , requires = (Concept<Rng, Fun>())>
group_by_view< all_t< Rng >, Fun > operator() (Rng &&rng, Fun fun) const